HOMEVULNERABILITIESCVE-2026-3432
CRITICAL

CVE-2026-3432

CWE-862Published: March 2, 2026· Updated: Mar 6, 2026

9.1
CVSS v3.1
EPSS:0.09%probability of exploitation in 30 daysPercentile:24.9th

Official Description

On SimStudio version below to 0.5.74, the `/api/auth/oauth/token` endpoint contains a code path that bypasses all authorization checks when provided with `credentialAccountUserId` and `providerId` parameters. An unauthenticated attacker can retrieve OAuth access tokens for any user by supplying their user ID and a provider name, effectively stealing credentials to third-party services.

NVD Source

Technical Analysis

CVE-2026-3432 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

sim1 product
sim
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (1)

Quick Facts

CVE IDCVE-2026-3432
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-862
CISA KEVNo
EPSS (30d)0.09%
Affected1 vendor
PublishedMar 2, 2026

Related CVEs (CWE-862)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-3432 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.